Safety elevating hook



Sept. 22, 1 925.

K. SMITH SAFETY ELEVATI NG HOOK Filed Nov. 20, 1924 5 Sheets-Sheet Sept.22, 1925. 1,554,303

N. K. SMITH SAFETY ELEVATING HOOK Filed Nov. 20, 1924 3 Sheets-Sheet 5Patented Sept. 22, 1925,

UNITED OFFICE! V sinister x". snmn,

or iihilizlis, TEXAS.

Application flied fi'oiemher 26, 1924. serial fiof75th9 87.

This invention relates to new and useful improvements safety elevatiiighooks.

, The object of the invention is to provide a safety hook foi"haiidliiig Well tubing, sucker rods and any other member of device it isdesired to raise and loit er. i

A particular objectof the ihventioh is to provide it hill of hookmembeiipivotally supported ofi centei' so as to smog to open position whenfelettsedand unlotdefd.

A further .obj'eetis to proi ide e lateh for holding; thehook member in"e closed position, whereby open the eleese otsttid latch the saidmember autometioelly sitings to on op n position, when unloaded Ahothefohjeot is to fir'o'vide hook membei Whioh will remain olden until loadedand upon being loztded Will siting to at olo'sed po- 'sition and latehlitself. 4

An important ect (if the intentioh is to prev'ide e sztftj hand heldfeat tes inig the hook memhe and manipulating; the hitchitithoutiegzposure to the t'v h-fli erijgigedz A still nnthet ebjieeti's'to ptevi'ee e hook vi hiohinty heiheniiiillfi swung; to a. 1 1111 oen Rbltlblt to teehge'gea with the "we epee white mg -tube swung to eclosed positioh the l'zttched. A t Another objett is' to' p evide enweiferm of latch of e liigjhly eifeo'tii e ii-atuf 'e;

A constiuctiondesigned to they eat the ie eeen e 1 eeeihee a be to;get-her jothet feat res oft tie ihveiit ion. The invention will he morereadily uiifler eteeejneine eeeeih ei the following epeat fio'ation tedby tefeie ee to the eeeome'nl ing drawings, in which ennnpie of theingHooks, of when the ieuowihg is e epeeip esenting the Fig. 3 is a,vertical sectional view showing the hook in one of its open positions,

Fig; is a vertical sectional view showing thehook its other openposition, and

Fig.5 iszt cros's seotional view on the line 5 -5 ofFigfl.

In the drawings the numeral 10 designates an elongated flat shank havinga Cylindrical tud 11 at its upper end; The stud is swivelledin the lowerend of a loop 12 which is recessed to receive bell hearing members 13. Anut 14 sbieWed oh the upper end of the stud tests upon the members 13,-the I shank thus bein supported. to i'otate' freely in the loop. Theloop and shank swivel conneotion is subject to variation endanysuit:able form of loop and connection may be employed. .7

The shank has its central portion enlarged and penetrated by a'pin 15; Ahook body member 16 has ears 17 at its upper end straddling the shankand pivoted onthe pin. The body 16 is thus feeeived at its upperportion. The major portion of the body 16 is offset laterally from thepivot, but the bill 18 underlies the ivot. The shank has a .de-" pendingoutwardly inclined losure-fin er 19 integral ther'ewith. The hook bodyis nor-man held in it elosedposition so that the lower end or tip of thefinger is adjacent 30 the free end of the bill'of the hook. Thus an eyeor j'otl'ier oonneotion engaged in the hook will be retainedagainst'displecement therefrom;

The hook body has an elongated opening 20 "contiguous to its back edge;that portion of body lying'between the opening and the back edgeconstituting a hand hold 21. The

hook is recessed ztt 22 to receive a latch lever 23 confined within saidrecess and having a sheer grip Z24 exposed in the opening 20. Adjacentthe lotvei end of, recess the lever is fulorumed on a boss 25 on thehack Wall of gate i'eces's. A coiled spring 26 seated in a pdoket 27ext-'ehding form-rely from the reeees', en e es ovef at lug 28 on thelower hone side of the lever below the fulcrum best. A 'diitin hole 29leads from the pocket e'ndji's' le rge enough to insert the spring in Atits upper end the latch lever has a forwardly directed keeper 30 whichis dovetailed to engage in a dovetailed notch 31 in a boss 32 in theedge of the shank opposite the pin 15. The tendency of the spring is toforce the keeper into the notch. The lever being free to move verticallyon the boss 25 is readily disengaged from the notch when compressed, butcannot be easily displaced by the hook.

By observing Fig. 3 it will be seen that when the latch lever 23 isdepressed, so as to withdraw the keeper 30 from the notch 31,

the hook body 16 being pivoted off center, will swing to the positionshown. The body 16 has a shoulder 16 between the ears 17 and thisengages the lower end of the finger 19 which is received in the recessbetween said ears. The keeper latch 30 engages under the boss 32 and byfrictional contact holds the body 16 in its open position. It will beseen that when the hook body is swung to its open position (Fig. 3) thefinger 19 is wholly housed in the recess between the ears 17 and a freeand unobstructed entrance to the hook is provided.

IVhen the links of an elevator or other connection is engaged in thebill 18 of the hook body, said body will be immediately swung, by theload, to a closed position as is shown in Fig. 1. The workman thus hasonly to engage the work in the bill and the hook then becomes selflatching. hen it is desired to disengage the hook from the work thelatch lever 2-3 is depressed and the hook member 16 is swung upward tothe position shown in Fig. 4. In all handling of the hook body the handhold 21 is grasped and the knuckles are confined within the opening 20,which makes for safety.

Various changes in the size and shape of the different parts, as well asmodifications and alterations, may be made within the scope of theappended claims.

What I claim, is:

1. In a safety hook, a support, a hook shank carried by the support, ahook body pivoted to the shank, and a self-acting latch carried by thebody and engaging the shank.

2. In a safety hook, a support, a shank suspended from the support, aclosure finger depending from the shank, and a hook body having a bill,the body being pivoted to the shank above the finger and free to swing,whereby its bill may be swung to each side of the finger and also may beregistered therewith.

8. In a safety hook, a support, a shank suspended from. the support, aclosure finger depending from the shank, a hook body having a bill, thebody being pivoted to the shank above the finger and free to swing,

' whereby its bill may be swung to each side of the finger and also maybe registered therewlth, and a latch for fastening the hook with itsbill in juxtaposition to the finger.

4. In a safety hook, a support, a shank suspended from the support, aclosure finger depending from the shank, a hook body having a bill andbeing pivoted to the shank above the finger and being free to swing,whereby its bill may be swung to each side of the finger and also may beregistered therewith, the hook body having a hand opening therein, and alatch contained within the hook body, and exposed for operation in saidbody.

5. In a safety hook, a support, a shank carried by the support, a hookbody pivoted on the shank, and a latch for holding the hook body in aclosed position, said latch also holding the body in an open position.

6. In a safety hook, a supporting loop, a

shank swivelled in the loop, a hook body pivoted on the shank, and alatch for fastening the hook body in an unbalanced position.

7. In a safety hook, a supporting loop, a

shank swivelled in the loop, a closure element carried by the shank, ahook body pivoted on the shank and co-acting with the closure element,and a latch for fastening the hook body against swinging.

8. In a safety hook, a supporting loop, a shank swivelled in the loop, aclosure element carried by the shank, a hook body pivoted on the shankand co-acting with the closure element, and a latch for holding the hookbody in adjusted positions to which said body is swung.

9. In a safety hook, a support, a shank pendant from the support, aclosure element carried by the shank, and a normally restrained hookbody pivoted to the shank and eo-acting with the closure element tonormally close the hook, said hook body swinging to an open positionwhen released and unloaded.

10. In a safety hook, a support, a shank pendant from the support, ahook member pivoted on the shank, a closure finger extending from theshank and co-acting with the free end of the hook member, and a latchfor fastening the hook member with its free end in junta-position to theclosure finger.

11. In a safety hook, a support, a shank pendant from the support, ahook body pivoted on the shank, a closure finger extending from theshank above the finger and having an opening for receiving said fingerwhen the hook body is swung to open the hook, and a latch for fasteningthe hook body in position.

12. In a safety hook, a support, a shank pendant from the support, aclosure element carried by the shank, a hook body pivoted on the shankand co-acting with the closure element, and a latch carried by the hookbody and engaging with the shank.

13. In a safety hook, a support, a shank suspended from the, support,and a hook body pivoted on the shank and having a safety hand holdoffset from the bill of the hook.

'14. In a safety hook, a support, a shank suspended from the support, ahook body pivoted on the shank and having a safety hand hold offset fromthe bill of the hook,

and a latch for fastening the hook body in position located at the handhold.

15. In a safety hook, a supporting loop, a pendant shank sivivelled tothe loop, a hook body pivoted at its upper end to the shank, and aspring pressed latch carried by the hook body and engaging the shank.

16. In a safety hook, a supporting loop, a pendant shank swivelled tothe loop, a closure finger extending from the shank, a hook body pivotedat its upper end to the shank and co-acting With the finger, a hand holdon'the body, and a spring pressed latch carried by the hook bodyadjacent the hand hold. 1

17. In a safety hook, a supporting loop, a pendant shank swivelled tothe loop, a closure finger integral With the shank, a hook body pivotedat its upper end to the shank above the finger and recessed to receivethe finger when swung, said body having an offset hand opening, and alatch housed in the body for engaging the shank, said latch beingexposed in the hand opening of the hook member.

18. In a safety hook, a supporting loop, a pendant shank having itsupper end sWivelled in the loop and provided with a keeper notch at oneside, a rigid closure finger extending from the shank, a hook bodypivoted at its upper end to the shank above the finger, the free end ofthe hook body coacting with the finger, said body having a hand openingand being recessed to receive the finger When swung, and a latchfulcrumed in the hook body and having a keeper engaging in the keepernotch of the shank, said latch beingexposed at the hand hold of the hookbody.

19. In a safety hook, a loop support, a shank swivelled in the loop, ahook body pivoted on the shank, a latch leversinounted in the hook bodyand engaging the shank, a fulcrum boss in the body on Which the leverisfulcruined and is free to slide vertically, and a coiled spring engagingthe lever.

In testimony whereof I aflix my signature.

NELSON K. SMITH.

